[   20.510110][    C0] clocksource: Watchdog remote CPU 3 read timed out
[   20.588193][  T880] br0: port 1(dummy0) entered blocking state
[   20.588428][  T880] br0: port 1(dummy0) entered disabled state
[   20.588654][  T880] dummy0: entered allmulticast mode
[   20.589603][  T880] dummy0: entered promiscuous mode
[   20.618253][  T881] br0: port 1(dummy0) entered blocking state
[   20.618484][  T881] br0: port 1(dummy0) entered forwarding state
[   22.508630][   T12] dummy0: left allmulticast mode
[   22.509071][   T12] dummy0: left promiscuous mode
[   22.509308][   T12] br0: port 1(dummy0) entered disabled state